Add and delete drives to your system

If you want to partition hard disk after os installation just follow the below steps

(*) Go to Mycomputer -> RightClick -> Manage -> Double Click DiskManagement->RightClick with Free Space->New Logical Drive -> Next -> Next -> Mention the Size(eg:10000) ->Assign the Drive Name (eg:D) ->Next ->Finish
Now it will be Formatted and then created New Drive D.